How popular is Janess?

Janess is an uncommonly occurring given name for women. Janess is an equivalently uncommon surname too for both adults and children. (2000 U.S. CENSUS)

Which version is better?

Janessa(#891 THE PREVIOUS YEAR), Janice(#1406), Janiece, Janis, Janise, Janyce, Jenice and Jenise are the prominent alternative forms of Janess (NOT RANKED) rated in the Top 2000. Other forms, like Jennice, are uncommon. These forms of Janess were favored as birth names 66 years ago (MEDIAN #1341) and have become much less common since (#1787, 98% LESS USAGE). (2016 U.S. SSA RECORDS)